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fgiga [73]
3 years ago
5

(y4 – y3 + 2y2 + y – 1) ÷ (y3 + 1)

Mathematics
2 answers:
marta [7]3 years ago
7 0

Answer:

The correct answer is 2y^2

Step-by-step explanation:

Monica [59]3 years ago
5 0
<span>a+b) • (a2-ab+b2)
</span><span>(a+b) • (a2-ab+b2) = 
a3-a2b+ab2+ba2-b2a+b3 =
a3+(a2b-ba2)+(ab2-b2a)+b3=
a3+0+0+b3=
a3+<span>b<span>3
ANWSER </span></span></span><span> y4 - y3 + 2y2 + y - 1 —————————————————————— (y + 1) • (y2 - y + 1)</span>
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What is the value of x in the solution of the system of equations 3x + 2y = 12 and 5x – 2y = 42
uysha [10]

Answer:

x = 27/4

Step-by-step explanation:

3x + 2y = 12 and 5x – 2y = 42

Add the two equations together to eliminate y

3x + 2y = 12

5x – 2y = 42

-----------------------

8x            = 54

Divide each side by 8

8x /8 = 54/8

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2 years ago
The lesson is 19.2 Angles in inscribed Quadrilaterals
alexdok [17]

Answer:

m<R=44.9,m<S=56.9,m<T=44.9,m<U= 32.9.

Step-by-step explanation:

When two chords are equal then the measure of the arcs are equal.

Chord RU= Chord UT

Or , m arc RU= m arc UT,

3z-4=x+2z+7   Or             z=x+11

Chord RS=Chord ST ,

m arc RS=m arc ST=3x+5

Sum of m arc in a circle =360 degrees.

Or ,

3x+5+3x+5+3z-4+x+2z+7=360

7x+5z+13=360

Substituting z=x+11

7x+5(x+11)+13=360

7x+5x+55+13=360

12x+68=360

12x=292,x=24.3

z=x+11=11+24.3=34.3

m arc RU=marc UT= 3z-4=3(24.3)-4=69

m arc RS =marc ST= 3x+5=3(24..3)+5=77.9

m<R= (marc UT+ m  arc ST)÷2

m<R=(69+77.9)÷2=73.45

m<S= (m arc RU+m arc UT)÷2

m<S= (69+69)÷2=69

m<T=(m arc RU+m arc RS)÷2=73.45

m<U=(m arc RS+m arc m arc ST)÷2=77.9








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